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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Control System - 3.3L) >> Description And Operation >> OBD-II Review >> Configuration Of Hardware And Related Terms >> Freeze Frame Data

Freeze Frame Data

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When a freeze frame event is triggered by an emission related DTC, the ECM or PCM stores various vehicle information as it existed the moment the fault occurred. The DTC number along with the engine data can be useful in aiding a technician in locating the cause of the fault. Once the data from the 1st driving cycle of DTC appearance, it will remain there even when the fault occurs again (2nd driving cycle) and the MIL is illuminated.